Transcript for Sons of Cop Who Released Tsarnaev Pics: 'He Did the Right Thing'

We're going to turn to the fallout from the pictures showing the capture of boston bombing suspect dzhokhar tsaranev. The policeman who released the photos is given desk duty. And this morning, his sons are defending him. Reporter: Murphy declines to speak after being told by his bosses not to. But his sons had a lot to say. They back him completely. My dad made stands -- an amazing stand against what we all saw was an injustice to see. I feel it was the right choice for him to make. Reporter: The right thing was to release these photographs, showing a bloodied dzhokhar tsaranev right before his surrender. The police sniper locked in on his forehead. The pictures to counter this "rolling stone" cover, which critics say made tsaranev look like a rock star. Everyone had a right to be furious with it. I myself was very furious. Reporter: The fury and the aftermath of a bombing that killed three and wounded more than 170 others. Including some who lost limbs. Before releasing the photos, murphy talked it over with his sons. A few hours before he decided to go to the media, he said to me, this could be huge. This could help a lot of people. You have to do what you have to do. Reporter: Sergeant murphy has no regrets. We asked his lawyer if he would do it again. Without question. This is a man of principle. Reporter: His resolve has been fueled by overwhelming support from fellow officers and many of the victims. He's gotten tearful phone calls. He's met the young man the first time he stood after losing both legs. His picture tak sergeant murphy. And nothing could mean more to him than that. That's why he did it. Reporter: For sergeant murphy, this is personal. His family is hoping for the best. But they say he'll live with the consequences, elizabeth? Pierre, thanks so much.

This transcript has been automatically generated and may not be 100% accurate.

The alleged bomber's demeanor in court offended some of the victims in attendance.

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